Home / 1,786,317.66-2,465,508.12-1,098,581.18

Finding the Fourth Proportional to 1,786,317.66, 2,465,508.12 and 1,098,581.18

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Solution

The fourth proportional to 1,786,317.66, 2,465,508.12 and 1,098,581.18 is: 1,516,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,317.66 : 2,465,508.12 = 1,098,581.18 : x
  2. Step 2: Convert to fraction form
    1,786,317.66/2,465,508.12 = 1,098,581.18/x
  3. Step 3: Cross multiply
    1,786,317.66x = 2,465,508.12 × 1,098,581.18
  4. Step 4: Simplify right side
    1,786,317.66x = 2,708,560,819,769.18
  5. Step 5: Solve for x
    x = 2,708,560,819,769.18/1,786,317.66
  6. Step 6: Final answer
    x = 1,516,281.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.